there wear in the department of corrections, in the jail. >> reporter: doug stewart is not a cop, but where he works, this is essential attire. that's because he patrols central contra costa county, five nights a week, looking for the homeless. >> that ought to last you a long time. >> almost every night. >> reporter: his goal is to help them survive on the hard, cold bay area streets. >> there is a daytime outreach team. but as far as nights go, i'm the only one for our whole count gee although it's how he makes his living, for dowell doug, this is more of a calling than a job. he started working with the homeless about 8 years ago. council members were debating legislation concerning homeless people and doug decided he needed a better understanding of the issue. he began going to homeless encampments and soon realize, he had to help. >> nobody else is doing this. somebody has to. there has to be somebody here for these people in the middle of the night. >> reporter: he does this five nights a week from 8:00 in the evening until 4:00 in the morning. he knows where to find the homeless, lik